Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
To diagnose the C1541 Toyota code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.
The Power Steering ECU Assembly receives vehicle speed signals from the brake actuator assembly via Controller Area Network (CAN) communication. The Power Steering ECU provides appropriate assisting force in accordance with the vehicle speed based on the signals. If the Power Steering ECU detects this Diagnostic Trouble Code (DTC), it adjusts the amount of power assistance for a speed of 140 km/h (87 mph) and continues system control. This DTC is detected when vehicle speed signals via CAN communication are cut off for 3 seconds or more.
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